What is the IUPAC name for the compound with the formula CH3-CH2-CH(CH3)-CH2-CH3

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Question: What is the IUPAC name for the compound with the formula CH3-CH2-CH(CH3)-CH2-CH3?

Options:

Correct Answer: 3-Methylpentane

Solution:

The longest carbon chain has five carbons, and there is a methyl group on the third carbon, making the IUPAC name 3-Methylpentane.

What is the IUPAC name for the compound with the formula CH3-CH2-CH(CH3)-CH2-CH3?

What is the IUPAC name for the compound with the formula CH3-CH2-CH(CH3)-CH2-CH3?

Step 1: Identify the carbon atoms in the compound. The formula CH3-CH2-CH(CH3)-CH2-CH3 shows that there are five carbon atoms in total.
Step 2: Count the longest continuous chain of carbon atoms. In this case, the longest chain has five carbon atoms, which is called pentane.
Step 3: Look for any branches or substituents on the main chain. There is a methyl group (CH3) attached to the third carbon of the main chain.
Step 4: Combine the information from steps 2 and 3. Since there is a methyl group on the third carbon of a five-carbon chain, the IUPAC name is 3-Methylpentane.

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